While you were out enjoying a three-day Memorial Day weekend, the internet was enjoying a new craze.

The Charlie Charlie Challenge went wild. What is it? Britain's Telegraph explains it's a game in which people try to contact a Mexican spirit, named Charlie:

The game entails placing two pencils on a piece of paper in the shape of the cross with the words 'yes' and 'no'. Participants then repeat the phrase "Charlie, Charlie can we play?" in order to connect with the demon.

It may all sound a little supernatural and you may be skeptical, but why not take a look at some of the videos that have come about from those brave souls who've tried it?

Of course, a lot of people decided to have some fun with the whole trend by making some tongue-in-cheek videos, too: